Testing store_attribute database save behavior

Gem versions

Setup

$ bin/bundle install
$ bin/rails db:setup
$ bin/rails db:migrate

Example commands

$ bin/rails c
$ (rails console) Shop.create!
$ (rails console) ActiveRecord::Base.connection.execute('select * from shops order by created_at desc limit 1').to_a

Test - Defaults save to db, when attributes aren't passed.

Notice how the defaults are present in the insert sql query itself.

Test - Respects user-set values, over defaults

User written attributes always overwrite defaults

Test - Fallbacks to defaults, when empty

Even though values are empty in database, when query at ActiveRecord level still returns the defaults. This is the expected behavior. This is because of the configuration at ApplicationRecord